This doesn't apply to all types of applications, but one person's fun may prevent another person from completing a task or even having a particular job. Yes, it

This doesn't apply to all types of applications, but one person's fun may prevent another person from completing a task or even having a particular job. Yes, it's possible to design UIs that are both fun (whatever that means) and accessible. But it seems to me that boring, by-the-book UIs are more likely to be accessible by default.